Finding the Third Proportional to 131,119.50 and 277,926

Step by Step Solution

1. Step 1: Write the proportion equation
   131,119.50 : 277,926 = 277,926 : x
2. Step 2: Convert to fraction form
   131,119.50/277,926 = 277,926/x
3. Step 3: Cross multiply
   131,119.50x = 277,926 × 277,926
4. Step 4: Simplify right side
   131,119.50x = 77,242,861,476
5. Step 5: Solve for x
   x = 77,242,861,476/131,119.50
6. Step 6: Final answer
   x = 589,102.78